VisionTek R7 250 OC

900649

Graphics Processor

Oland

Cores

384

TMUs

ROPs

Memory Size

1024 MB

Memory Type

GDDR5

Bus Width

128 bit

GPU

Graphics Processor

GPU Name: Oland

GPU Variant: Oland XT
(215-0837006)

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 950 million

Density: 12.3M / mm²

Die Size: 77 mm²

Chip Package: FCBGA-962

Graphics Card

Release Date: Oct 8th, 2013

Generation: Volcanic Islands
(R7 200)

Predecessor: Sea Islands

Successor: Pirate Islands

Production: End-of-life

Bus Interface: PCIe 3.0 x8

Clock Speeds

Base Clock: ~~1000 MHz~~
1030 MHz (+3%)

Boost Clock: ~~1050 MHz~~
1080 MHz (+3%)

Memory Clock: 1150 MHz
4.6 Gbps effective

Memory

Memory Size: 1024 MB

Memory Type: GDDR5

Memory Bus: 128 bit

Bandwidth: 73.60 GB/s

Render Config

Shading Units: 384

TMUs: 24

ROPs: 8

Compute Units: 6

L1 Cache: 16 KB (per CU)

L2 Cache: 256 KB

Theoretical Performance

Pixel Rate: ~~8.400 GPixel/s~~
8.640 GPixel/s

Texture Rate: ~~25.20 GTexel/s~~
25.92 GTexel/s

FP32 (float): ~~806.4 GFLOPS~~
829.4 GFLOPS

FP64 (double): ~~50.40 GFLOPS~~
51.84 GFLOPS (1:16)

Board Design

Slot Width: ~~Dual-slot~~
Single-slot

Length: 154 mm
6.1 inches

TDP: 65 W

Suggested PSU: 250 W

Outputs: 1x DVI
1x HDMI 1.4a
1x VGA

Power Connectors: None

Board Number: C576,
C662

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

Card Notes

Rebranded HD 8670 OEM

Oland GPU Notes

Generation: Sea Islands
Mobile Variant: Mars / Opal / Litho
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.4
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

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

Other retail boards based on this design (23)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASUS R7 250	1000 MHz	1050 MHz	1150 MHz	160 mm/6.3 inches, Single-slot
Club 3D R7 250	1000 MHz	1050 MHz	1150 MHz	154 mm/6.1 inches, Single-slot
Club 3D R7 250 2 GB	1000 MHz	1050 MHz	900 MHz	2 GB, DDR3, 154 mm/6.1 inches, Single-slot
Digital Alliance R7 250	1000 MHz	1050 MHz	1150 MHz	154 mm/6.1 inches
GIGABYTE R7 250 OC	1050 MHz	1100 MHz	1150 MHz	195 mm/7.7 inches, Single-slot
GIGABYTE R7 250 OC 2 GB Rev. 2	1050 MHz	1100 MHz	900 MHz	2 GB, DDR3, 195 mm/7.7 inches, Single-slot
GIGABYTE R7 250 OC 2 GB Rev. 4	1050 MHz	1100 MHz	900 MHz	2 GB, DDR3, 195 mm/7.7 inches, Single-slot
HIS R7 250 IceQ Boost Clock 1 GB	1000 MHz	1050 MHz	1150 MHz	199 mm/7.8 inches
HIS R7 250 iCooler Boost Clock 1 GB	1000 MHz	1050 MHz	1150 MHz	172 mm/6.8 inches, Single-slot
HIS R7 250 iCooler Boost Clock 2 GB	1000 MHz	1050 MHz	900 MHz	2 GB, DDR3, 172 mm/6.8 inches, Single-slot
MSI R7 250 OC 1 GB	1000 MHz	1150 MHz	1150 MHz	193 mm/7.6 inches
MSI R7 250 OC 2 GB	1050 MHz	1100 MHz	900 MHz	2 GB, DDR3, 208 mm/8.2 inches
PowerColor R7 250 OC	1050 MHz	1100 MHz	1150 MHz
Sapphire R7 250 1 GB with Boost	1000 MHz	1050 MHz	1150 MHz	150 mm/5.9 inches
Sapphire R7 250 2 GB with Boost	1000 MHz	1050 MHz	900 MHz	2 GB, DDR3, 145 mm/5.7 inches
Sapphire R7 250 Platinum Edition	1000 MHz	1050 MHz	1150 MHz	150 mm/5.9 inches
VisionTek R7 250 OC	1030 MHz	1080 MHz	1150 MHz	154 mm/6.1 inches, Single-slot
VTX3D R7 250 X-Edition	1030 MHz	1080 MHz	1150 MHz	154 mm/6.1 inches, Single-slot
XFX R7 250	1000 MHz	1050 MHz	1150 MHz	175 mm/6.9 inches
XFX R7 250 Low Profile	1000 MHz	1050 MHz	1150 MHz	175 mm/6.9 inches
XFX R7 250 Low Profile	1000 MHz	1050 MHz	800 MHz	DDR3, 175 mm/6.9 inches
XFX R7 250 Low Profile	1000 MHz	1050 MHz	800 MHz	DDR3, 175 mm/6.9 inches, Single-slot
XFX R7 250 Passive	1000 MHz	1050 MHz	1150 MHz	175 mm/6.9 inches