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PowerColor Hellhound RX 7900 GRE

RX 7900 GRE 16G-L/OC

Graphics Processor: Navi 31
Cores: 5120
TMUs: 320
ROPs: 160
Memory Size: 16 GB
Memory Type: GDDR6
Bus Width: 256 bit

GPU

I/O

Bottom

Rear

Back

PCB Front

PCB Back

Graphics Processor

GPU Name: Navi 31

Codename: Plum Bonito

GPU Variant: Navi 31 XL
(215-145000206)

Architecture: RDNA 3.0

Foundry: TSMC

Process Size: 5 nm

MCD Process: 6 nm

Process Type: N5 / N6 FinFET

Transistors: 57,700 million

GCD Transistors: 45,400 million

MCD Transistors: 2,050 million x6

Density: 109.1M / mm²

GCD Density: 150.2M / mm²

MCD Density: 54.64M / mm²

Die Size: 529 mm²

GCD Die Size: 304.35 mm²

MCD Die Size: 37.52 mm² x6

Chip Package: MCM

Graphics Card

Release Date: Jul 27th, 2023

Generation: Navi III
(RX 7000)

Predecessor: Navi II

Successor: Navi IV

Production: Active

Bus Interface: PCIe 4.0 x16

TechPowerUp Review

Clock Speeds

Base Clock: ~~1287 MHz~~
1555 MHz (+21%)

Shader Clock: 1880 MHz

Game Clock: ~~1880 MHz~~
2013 MHz (+7%)

Boost Clock: ~~2245 MHz~~
2366 MHz (+5%)

Memory Clock: 2250 MHz
18 Gbps effective

Memory

Memory Size: 16 GB

Memory Type: GDDR6

Memory Bus: 256 bit

Bandwidth: 576.0 GB/s

Render Config

Shading Units: 5120

TMUs: 320

ROPs: 160

Compute Units: 80

RT Cores: 80

L0 Cache: 64 KB per WGP

L1 Cache: 256 KB per Array

L2 Cache: 6 MB

L3 Cache: 64 MB

Theoretical Performance

Pixel Rate: ~~359.2 GPixel/s~~
378.6 GPixel/s

Texture Rate: ~~718.4 GTexel/s~~
757.1 GTexel/s

FP16 (half): ~~91.96 TFLOPS~~
96.91 TFLOPS (2:1)

FP32 (float): ~~45.98 TFLOPS~~
48.46 TFLOPS

FP64 (double): ~~1,437 GFLOPS~~
1.514 TFLOPS (1:32)

Board Design

Slot Width: Dual-slot

Length: ~~276 mm~~
322 mm
~~10.9 inches~~
12.7 inches

Width: ~~110 mm~~
134 mm
~~4.3 inches~~
5.3 inches

Height: ~~51 mm~~
50 mm
2 inches

TDP: 260 W

Suggested PSU: 600 W

Outputs: 1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

Power Connectors: 2x 8-pin

Board Number: 109-D712A7-00_02

Graphics Features

DirectX: 12 Ultimate (12_2)

OpenGL: 4.6

OpenCL: 2.2

Vulkan: 1.3

Shader Model: 6.8

Navi 31 GPU Notes

Generation: Navi III
Codename: Plum Bonito
Ray Tracing Cores: 2nd Gen
Infinity Cache: 2nd Gen
Graphics/Compute: 11.0.0
Shader ISA: GFX11.0 (gfx1100)
Display Core Next: 3.2.0
Video Core Next: 4.0.0
System DMA: 6.0.0

Per SIMD32:
- 10 KB Scalar Register File

Per CU:
- 16 KB Vector Data Cache
- 64 KB Local Data Share (GCN-Mode)

Per WGP:
- 16 KB Scalar Data Cache / K Cache
- 32 KB Instruction Cache
- 128 KB Local Data Share

Other retail boards based on this design (14)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASRock RX 7900 GRE Challenger OC	1358 MHz	2293 MHz	2250 MHz	Triple-slot
ASRock RX 7900 GRE Steel Legend OC	1448 MHz	2333 MHz	2250 MHz	Triple-slot
ASUS DUAL RX 7900 GRE OC	1358 MHz	2293 MHz	2250 MHz	280 mm/11 inches
ASUS TUF RX 7900 GRE GAMING OC	1448 MHz	2333 MHz	2250 MHz	320 mm/12.6 inches, Triple-slot
ASUS TUF RX 7900 GRE WHITE GAMING OC	1448 MHz	2333 MHz	2250 MHz	320 mm/12.6 inches, Triple-slot
GIGABYTE RX 7900 GRE GAMING OC	1681 MHz	2391 MHz	2250 MHz	302 mm/11.9 inches, Triple-slot
PowerColor Fighter RX 7900 GRE	1358 MHz	2293 MHz	2250 MHz	290 mm/11.4 inches
PowerColor Hellhound RX 7900 GRE	1555 MHz	2366 MHz	2250 MHz	322 mm/12.7 inches
PowerColor Red Devil RX 7900 GRE	1681 MHz	2391 MHz	2250 MHz	338 mm/13.3 inches, Triple-slot
Sapphire NITRO+ RX 7900 GRE	1681 MHz	2391 MHz	2250 MHz	320 mm/12.6 inches, Quad-slot
Sapphire PULSE RX 7900 GRE	1358 MHz	2293 MHz	2250 MHz	313 mm/12.3 inches, Triple-slot
Sapphire PURE RX 7900 GRE	1448 MHz	2333 MHz	2250 MHz	320 mm/12.6 inches, Triple-slot, 275 W
XFX RX 7900 GRE	1287 MHz	2245 MHz	2250 MHz
XFX RX 7900 GRE	1681 MHz	2391 MHz	2250 MHz	335 mm/13.2 inches, Triple-slot