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 3080 Ti

CORE STATE GA102

VRAM 12 GB

CLOCK SPEED 1665 MHz

TDP 350 W

BUS WIDTH 384 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

191,309

3dmark_3dmark_steel_nomad_dx12

N/A

5,077

geekbench_vulkan

N/A

171,798

passmark_directx_10

N/A

184

passmark_directx_11

N/A

223

passmark_directx_12

N/A

110

passmark_directx_9

N/A

274

passmark_g2d

N/A

1,091

passmark_g3d

N/A

26,896

passmark_gpu_compute

N/A

15,282

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RTX 3080 Ti

Core Specs

Shading Units

960

10,240 +966.7%

Shaders

960

10,240 +966.7%

TMUs

48

320 +566.7%

ROPs

32

112 +250.0%

Compute Units

12

—

SM Count

—

80

Clocks

Base Clock

—

1365 MHz

Boost Clock

—

1665 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1188 MHz 19 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

GDDR5

GDDR6X

Memory Bus

256 bit

384 bit

Bandwidth

134.4 GB/s

912.4 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

6 MB

Performance

Pixel Rate

25.60 GPixel/s

186.5 GPixel/s

Texture Rate

38.40 GTexel/s

532.8 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

34.10 TFLOPS

FP64 (TFLOPS)

—

532.8 GFLOPS (1:64)

FP16 (TFLOPS)

—

34.10 TFLOPS (1:1)

AI/RT

RT Cores

—

80

Tensor Cores

—

320

Power

TDP

254 W

350 W

TDP (W)

254

350 +37.8%

Suggested PSU

600 W

750 W

Power Connectors

2x 8-pin

1x 12-pin

Architecture

Architecture

TeraScale 2

Ampere

GPU Name

Barts

GA102

Generation

Northern Islands (HD 6800)

GeForce 30

Process Size

40 nm

8 nm

Transistors

1,700 million

28,300 million

Die Size

255 mm²

628 mm²

Foundry

TSMC

Samsung

Density

6.7M / mm²

45.1M / 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

—

8.6

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

—

285 mm 11.2 inches

Height

—

112 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Launch Price

—

1,199 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

GeForce 20

Successor

Southern Islands

GeForce 40

View Radeon HD 6850 X2 Details View GeForce RTX 3080 Ti Details