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 5090

CORE STATE GB202

VRAM 32 GB

CLOCK SPEED 2407 MHz

TDP 575 W

BUS WIDTH 512 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

380,114

3dmark_3dmark_steel_nomad_dx12

N/A

14,411

geekbench_vulkan

N/A

379,571

passmark_directx_10

N/A

226

passmark_directx_11

N/A

341

passmark_directx_12

N/A

185

passmark_directx_9

N/A

395

passmark_g2d

N/A

1,413

passmark_g3d

N/A

39,650

passmark_gpu_compute

N/A

26,756

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RTX 5090

Core Specs

Shading Units

960

21,760 +2166.7%

Shaders

960

21,760 +2166.7%

TMUs

48

680 +1316.7%

ROPs

32

176 +450.0%

Compute Units

12

—

SM Count

—

170

Clocks

Base Clock

—

2017 MHz

Boost Clock

—

2407 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

2 GB

32 GB

VRAM (MB)

2,048

32,768 +1500.0%

Memory Type

GDDR5

GDDR7

Memory Bus

256 bit

512 bit

Bandwidth

134.4 GB/s

1.79 TB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

96 MB

Performance

Pixel Rate

25.60 GPixel/s

423.6 GPixel/s

Texture Rate

38.40 GTexel/s

1,636.8 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

104.8 TFLOPS

FP64 (TFLOPS)

—

1.637 TFLOPS (1:64)

FP16 (TFLOPS)

—

104.8 TFLOPS (1:1)

AI/RT

RT Cores

—

170

Tensor Cores

—

680

Power

TDP

254 W

575 W

TDP (W)

254

575 +126.4%

Suggested PSU

600 W

950 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

TeraScale 2

Blackwell 2.0

GPU Name

Barts

GB202

Generation

Northern Islands (HD 6800)

GeForce 50

Process Size

40 nm

5 nm

Transistors

1,700 million

92,200 million

Die Size

255 mm²

750 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

122.9M / 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

—

1,999 USD

Production

End-of-life

Active

Predecessor

Evergreen

GeForce 40

Successor

Southern Islands

—

View Radeon HD 6850 X2 Details View GeForce RTX 5090 Details