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

NVIDIA

GEFORCE

GeForce RTX 5080

CORE STATE GB203

VRAM 16 GB

CLOCK SPEED 2617 MHz

TDP 360 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

8,637

geekbench_opencl

N/A

264,461

geekbench_vulkan

N/A

257,942

passmark_directx_10

N/A

208

passmark_directx_11

N/A

324

passmark_directx_12

N/A

151

passmark_directx_9

N/A

389

passmark_g2d

N/A

1,415

passmark_g3d

N/A

36,565

passmark_gpu_compute

N/A

21,789

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

RTX 5080

Core Specs

Shading Units

1,792

10,752 +500.0%

Shaders

1,792

10,752 +500.0%

TMUs

112

336 +200.0%

ROPs

32

112 +250.0%

Compute Units

28

—

SM Count

—

84

Clocks

Base Clock

—

2295 MHz

Boost Clock

—

2617 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1875 MHz 30 Gbps effective

Memory

Memory Size

3 GB

16 GB

VRAM (MB)

3,072

16,384 +433.3%

Memory Type

GDDR5

GDDR7

Memory Bus

384 bit

256 bit

Bandwidth

240.0 GB/s

960.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

64 MB

Performance

Pixel Rate

25.60 GPixel/s

293.1 GPixel/s

Texture Rate

89.60 GTexel/s

879.3 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

56.28 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

879.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

56.28 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Power

TDP

200 W

360 W

TDP (W)

200

360 +80.0%

Suggested PSU

550 W

750 W

Power Connectors

2x 6-pin

1x 16-pin

Architecture

Architecture

GCN 1.0

Blackwell 2.0

GPU Name

Tahiti

GB203

Generation

Southern Islands (HD 7900)

GeForce 50

Process Size

28 nm

5 nm

Transistors

4,313 million

45,600 million

Die Size

352 mm²

378 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

120.6M / 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)

3.0

CUDA

—

12.0

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

278 mm 10.9 inches

304 mm 12 inches

Height

111 mm 4.4 inches

137 mm 5.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

PCIe 3.0 x16

PCIe 5.0 x16

Other

Launch Price

449 USD

999 USD

Production

End-of-life

Active

Predecessor

Northern Islands

GeForce 40

Successor

Sea Islands

—

View Radeon HD 7950 Details View GeForce RTX 5080 Details