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AMD Radeon HD 7950
- Graphics Processor
- Tahiti
- Cores
- 1792
- TMUs
- 112
- ROPs
- 32
- Memory Size
- 3 GB
- Memory Type
- GDDR5
- Bus Width
- 384 bit
GPU
I/O
Top
PCB Front
PCB Back
Recommended Gaming Resolutions:
- 1600x900
- 1920x1080
- 2560x1440
The Radeon HD 7950 was a high-end graphics card by AMD, launched on January 31st, 2012. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti PRO variant, the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_1, which can be problematic with newer DirectX 12 titles. The Tahiti graphics processor is a large chip with a die area of 352 mm² and 4,313 million transistors. Unlike the fully unlocked Radeon HD 7970, which uses the same GPU but has all 2048 shaders enabled, AMD has disabled some shading units on the Radeon HD 7950 to reach the product's target shader count. It features 1792 shading units, 112 texture mapping units, and 32 ROPs. AMD has paired 3,072 MB GDDR5 memory with the Radeon HD 7950, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 800 MHz, memory is running at 1250 MHz (5 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 7950 draws power from 2x 6-pin power connectors, with power draw rated at 200 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2. Radeon HD 7950 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card's dimensions are 278 mm x 111 mm x 38 mm, and it features a dual-slot cooling solution. Its price at launch was 449 US Dollars.
Being a dual-slot card, the AMD Radeon HD 7950 draws power from 2x 6-pin power connectors, with power draw rated at 200 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2. Radeon HD 7950 is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card's dimensions are 278 mm x 111 mm x 38 mm, and it features a dual-slot cooling solution. Its price at launch was 449 US Dollars.
Graphics Processor
Graphics Card
- Release Date
- Jan 31st, 2012
- Generation
-
Southern Islands
(HD 7900)
- Predecessor
- Northern Islands
- Successor
- Sea Islands
- Production
- End-of-life
- Launch Price
- 449 USD
- Bus Interface
- PCIe 3.0 x16
- Reviews
- 118 in our database
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Clock Speeds
- GPU Clock
- 800 MHz
- Memory Clock
-
1250 MHz
5 Gbps effective
Memory
- Memory Size
- 3 GB
- Memory Type
- GDDR5
- Memory Bus
- 384 bit
- Bandwidth
- 240.0 GB/s
Render Config
- Shading Units
- 1792
- TMUs
- 112
- ROPs
- 32
- Compute Units
- 28
- L1 Cache
- 16 KB (per CU)
- L2 Cache
- 768 KB
Theoretical Performance
- Pixel Rate
- 25.60 GPixel/s
- Texture Rate
- 89.60 GTexel/s
- FP32 (float)
- 2.867 TFLOPS
- FP64 (double)
- 716.8 GFLOPS (1:4)
Board Design
- Slot Width
- Dual-slot
- Length
- 278 mm
10.9 inches
- Width
- 111 mm
4.4 inches
- Height
- 38 mm
1.5 inches
- TDP
- 200 W
- Suggested PSU
- 550 W
- Outputs
- 1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
- Power Connectors
- 2x 6-pin
- Board Number
- 109-C38637-00
Graphics Features
- DirectX
- 12 (11_1)
- OpenGL
- 4.6
- OpenCL
- 2.1 (1.2)
- Vulkan
- 1.2.170
- Shader Model
- 6.5 (5.1)
Tahiti GPU Notes
| Generation: Southern Islands Desktop Variant: New Zealand / Malta Graphics/Compute: GFX6 (gfx600) Display Core Engine: 6.0 Unified Video Decoder: 3.2 Video Compression Engine: 1.0 CLRX: GCN 1.0 Exact Transistor Count: 4,312,711,873 Latest Drivers: Windows XP / 8: Catalyst Software Suite 14.4 Windows Vista : Catalyst Software Suite 13.12 Windows 7: 32-bit: Radeon Software: Adrenalin Edition 18.9.3 64-bit: AMD Software: Adrenalin Edition 22.6.1 Windows 8.1: 32-bit: Radeon Software: Crimson ReLive Edition 16.12.2 / 17.1.2 64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1 Windows 10: 32-bit: Radeon Software: Adrenalin Edition 18.9.3 64-bit: AMD Software: Adrenalin Edition 22.6.1 |
Retail boards based on this design (36)
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| 800 MHz | 1250 MHz | ||
| 800 MHz | 1250 MHz | ||
| 800 MHz | 1250 MHz | 300 mm/11.8 inches, Triple-slot | |
| 900 MHz | 1250 MHz | 300 mm/11.8 inches, Triple-slot | |
| 900 MHz | 1250 MHz | 279 mm/11 inches, Triple-slot, 2x DVI 1x HDMI 1x DisplayPort | |
| 800 MHz | 1250 MHz | 279 mm/11 inches, Triple-slot, 2x DVI 1x HDMI 1x DisplayPort | |
| 800 MHz | 1250 MHz | ||
| 850 MHz | 1250 MHz | 268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 800 MHz | 1250 MHz | 268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 900 MHz | 1250 MHz | 285 mm/11.2 inches | |
| 1000 MHz | 1250 MHz | 285 mm/11.2 inches | |
| 800 MHz | 1250 MHz | ||
| 800 MHz | 1250 MHz | 295 mm/11.6 inches | |
| 900 MHz | 1250 MHz | 295 mm/11.6 inches | |
| 800 MHz | 1250 MHz | 292 mm/11.5 inches | |
| 800 MHz | 1250 MHz | 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 800 MHz | 1250 MHz | ||
| 830 MHz | 1250 MHz | ||
| 830 MHz | 1250 MHz | 270 mm/10.6 inches | |
| 800 MHz | 1250 MHz | 261 mm/10.3 inches | |
| 880 MHz | 1250 MHz | 261 mm/10.3 inches | |
| 800 MHz | 1250 MHz | 265 mm/10.4 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 880 MHz | 1250 MHz | 275 mm/10.8 inches | |
| 810 MHz | 1250 MHz | 265 mm/10.4 inches, 1x DVI 1x HDMI 2x mini-DisplayPort | |
| 860 MHz | 1250 MHz | 290 mm/11.4 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 900 MHz | 1250 MHz | 275 mm/10.8 inches | |
| 950 MHz | 1250 MHz | 280 mm/11 inches | |
| 950 MHz | 1250 MHz | 280 mm/11 inches | |
| 800 MHz | 1250 MHz | ||
| 880 MHz | 1250 MHz | ||
| 800 MHz | 1250 MHz | ||
| 800 MHz | 1250 MHz | 274 mm/10.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort | |
| 900 MHz | 1375 MHz | ||
| 800 MHz | 1250 MHz | ||
| 900 MHz | 1375 MHz | ||
| 800 MHz | 1250 MHz |
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