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 4080 Mobile

CORE STATE AD104

VRAM 12 GB

CLOCK SPEED 1665 MHz

TDP 110 W

BUS WIDTH 192 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

159,575

geekbench_vulkan

N/A

145,807

passmark_directx_10

N/A

157

passmark_directx_11

N/A

244

passmark_directx_12

N/A

96

passmark_directx_9

N/A

286

passmark_g2d

N/A

929

passmark_g3d

N/A

24,926

passmark_gpu_compute

N/A

11,191

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RTX 4080 Mobile

Core Specs

Shading Units

960

7,424 +673.3%

Shaders

960

7,424 +673.3%

TMUs

48

232 +383.3%

ROPs

32

80 +150.0%

Compute Units

12

—

SM Count

—

58

Clocks

Base Clock

—

1290 MHz

Boost Clock

—

1665 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

134.4 GB/s

432.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

48 MB

Performance

Pixel Rate

25.60 GPixel/s

133.2 GPixel/s

Texture Rate

38.40 GTexel/s

386.3 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

24.72 TFLOPS

FP64 (TFLOPS)

—

386.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

24.72 TFLOPS (1:1)

AI/RT

RT Cores

—

58

Tensor Cores

—

232

Power

TDP

254 W

110 W

TDP (W)

254

110 -56.7%

Suggested PSU

600 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

TeraScale 2

Ada Lovelace

GPU Name

Barts

AD104

Generation

Northern Islands (HD 6800)

GeForce 40 Mobile

Process Size

40 nm

5 nm

Transistors

1,700 million

35,800 million

Die Size

255 mm²

294 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

121.8M / 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

—

8.9

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

IGP

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

Portable Device Dependent

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

Active

Predecessor

Evergreen

GeForce 30 Mobile

Successor

Southern Islands

GeForce 50 Mobile

View Radeon HD 6850 X2 Details View GeForce RTX 4080 Mobile Details