GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts

VRAM 2 GB

CLOCK SPEED —

TDP 254 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

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_opencl

3,977

264,461

3dmark_3dmark_steel_nomad_dx12

N/A

8,637

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 6850 X2

RTX 5080

Core Specs

Shading Units

960

10,752 +1020.0%

Shaders

960

10,752 +1020.0%

TMUs

48

336 +600.0%

ROPs

32

112 +250.0%

Compute Units

12

—

SM Count

—

84

Clocks

Base Clock

—

2295 MHz

Boost Clock

—

2617 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1875 MHz 30 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR7

Memory Bus

256 bit

256 bit

Bandwidth

134.4 GB/s

960.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

64 MB

Performance

Pixel Rate

25.60 GPixel/s

293.1 GPixel/s

Texture Rate

38.40 GTexel/s

879.3 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

56.28 TFLOPS

FP64 (TFLOPS)

—

879.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

56.28 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Power

TDP

254 W

360 W

TDP (W)

254

360 +41.7%

Suggested PSU

600 W

750 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

TeraScale 2

Blackwell 2.0

GPU Name

Barts

GB203

Generation

Northern Islands (HD 6800)

GeForce 50

Process Size

40 nm

5 nm

Transistors

1,700 million

45,600 million

Die Size

255 mm²

378 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

120.6M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

3.0

CUDA

—

12.0

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

—

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

PCIe 2.0 x16

PCIe 5.0 x16

Other

Launch Price

—

999 USD

Production

End-of-life

Active

Predecessor

Evergreen

GeForce 40

Successor

Southern Islands

—

View Radeon HD 6850 X2 Details View GeForce RTX 5080 Details