GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

VS

A

AMD

RADEON

Radeon RX 7700 XT

CORE STATE Navi 32

VRAM 12 GB

CLOCK SPEED 2544 MHz

TDP 245 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

3,316

geekbench_opencl

N/A

127,549

geekbench_vulkan

N/A

132,758

passmark_directx_10

N/A

119

passmark_directx_11

N/A

232

passmark_directx_12

N/A

79

passmark_directx_9

N/A

294

passmark_g2d

N/A

1,161

passmark_g3d

N/A

22,547

passmark_gpu_compute

N/A

12,912

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

RX 7700 XT

Core Specs

Shading Units

1,792

3,456 +92.9%

Shaders

1,792

3,456 +92.9%

TMUs

112

216 +92.9%

ROPs

32

96 +200.0%

Compute Units

28

54 +92.9%

Clocks

Base Clock

—

1435 MHz

Boost Clock

—

2544 MHz

GPU Clock

800 MHz

—

Game Clock

—

2171 MHz

Memory Clock

1250 MHz 5 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

3 GB

12 GB

VRAM (MB)

3,072

12,288 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

192 bit

Bandwidth

240.0 GB/s

432.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

768 KB

2 MB

L3 Cache

—

48 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

25.60 GPixel/s

244.2 GPixel/s

Texture Rate

89.60 GTexel/s

549.5 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

35.17 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

1,099.0 GFLOPS (1:32)

FP16 (TFLOPS)

—

70.34 TFLOPS (2:1)

AI/RT

RT Cores

—

54

Matrix Cores

—

108

Power

TDP

200 W

245 W

TDP (W)

200

245 +22.5%

Suggested PSU

550 W

550 W

Power Connectors

2x 6-pin

2x 8-pin

Architecture

Architecture

GCN 1.0

RDNA 3.0

GPU Name

Tahiti

Navi 32

Codename

—

Wheat Nas

Generation

Southern Islands (HD 7900)

Navi III (RX 7000)

Process Size

28 nm

5 nm

Transistors

4,313 million

28,100 million

Die Size

352 mm²

346 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

81.2M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.2

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

278 mm 10.9 inches

267 mm 10.5 inches

Height

111 mm 4.4 inches

135 mm 5.3 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

449 USD

449 USD

Production

End-of-life

Active

Predecessor

Northern Islands

Navi II

Successor

Sea Islands

Navi IV

View Radeon HD 7950 Details View Radeon RX 7700 XT Details