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

Quadro RTX 4000

CORE STATE TU104

VRAM 8 GB

CLOCK SPEED 1545 MHz

TDP 160 W

BUS WIDTH 256 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

85,166

3dmark_3dmark_steel_nomad_dx12

N/A

1,873

geekbench_vulkan

N/A

78,844

passmark_directx_10

N/A

108

passmark_directx_11

N/A

128

passmark_directx_12

N/A

52

passmark_directx_9

N/A

205

passmark_g2d

N/A

846

passmark_g3d

N/A

15,117

passmark_gpu_compute

N/A

6,176

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

Quadro RTX 4000

Core Specs

Shading Units

960

2,304 +140.0%

Shaders

960

2,304 +140.0%

TMUs

48

144 +200.0%

ROPs

32

64 +100.0%

Compute Units

12

—

SM Count

—

36

Clocks

Base Clock

—

1005 MHz

Boost Clock

—

1545 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1625 MHz 13 Gbps effective

Memory

Memory Size

2 GB

8 GB

VRAM (MB)

2,048

8,192 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

256 bit

Bandwidth

134.4 GB/s

416.0 GB/s

Cache

L1 Cache

8 KB (per CU)

64 KB (per SM)

L2 Cache

512 KB

4 MB

Performance

Pixel Rate

25.60 GPixel/s

98.88 GPixel/s

Texture Rate

38.40 GTexel/s

222.5 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

7.119 TFLOPS

FP64 (TFLOPS)

—

222.5 GFLOPS (1:32)

FP16 (TFLOPS)

—

14.24 TFLOPS (2:1)

AI/RT

RT Cores

—

36

Tensor Cores

—

288

Power

TDP

254 W

160 W

TDP (W)

254

160 -37.0%

Suggested PSU

600 W

450 W

Power Connectors

2x 8-pin

1x 8-pin

Architecture

Architecture

TeraScale 2

Turing

GPU Name

Barts

TU104

Generation

Northern Islands (HD 6800)

Quadro Turing (Tx000)

Process Size

40 nm

12 nm

Transistors

1,700 million

13,600 million

Die Size

255 mm²

545 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

25.0M / 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

—

7.5

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

—

241 mm 9.5 inches

Height

—

111 mm 4.4 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

3x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Other

Launch Price

—

899 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

Quadro Volta

Successor

Southern Islands

Workstation Ampere

View Radeon HD 6850 X2 Details View Quadro RTX 4000 Details