GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6870

CORE STATE Barts

VRAM 1024 MB

CLOCK SPEED —

TDP 151 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2010

VS

NVIDIA

GEFORCE

GeForce RTX 2080

CORE STATE TU104

VRAM 8 GB

CLOCK SPEED 1710 MHz

TDP 215 W

BUS WIDTH 256 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

passmark_directx_10

15

136

passmark_directx_11

16

158

passmark_directx_12

N/A

72

passmark_directx_9

53

223

passmark_g2d

418

907

passmark_g3d

2,205

18,720

passmark_gpu_compute

1,042

7,872

3dmark_3dmark_steel_nomad_dx12

N/A

1,752

geekbench_opencl

N/A

105,271

geekbench_vulkan

N/A

101,532

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6870

RTX 2080

Core Specs

Shading Units

1,120

2,944 +162.9%

Shaders

1,120

2,944 +162.9%

TMUs

56

184 +228.6%

ROPs

32

64 +100.0%

Compute Units

14

—

SM Count

—

46

Clocks

Base Clock

—

1515 MHz

Boost Clock

—

1710 MHz

GPU Clock

900 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

1024 MB

8 GB

VRAM (MB)

1,024

8,192 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

256 bit

Bandwidth

134.4 GB/s

448.0 GB/s

Cache

L1 Cache

8 KB (per CU)

64 KB (per SM)

L2 Cache

512 KB

4 MB

Performance

Pixel Rate

28.80 GPixel/s

109.4 GPixel/s

Texture Rate

50.40 GTexel/s

314.6 GTexel/s

FP32 (TFLOPS)

2.016 TFLOPS

10.07 TFLOPS

FP64 (TFLOPS)

—

314.6 GFLOPS (1:32)

FP16 (TFLOPS)

—

20.14 TFLOPS (2:1)

AI/RT

RT Cores

—

46

Tensor Cores

—

368

Power

TDP

151 W

215 W

TDP (W)

151

215 +42.4%

Suggested PSU

450 W

550 W

Power Connectors

2x 6-pin

1x 6-pin + 1x 8-pin

Architecture

Architecture

TeraScale 2

Turing

GPU Name

Barts

TU104

Generation

Northern Islands (HD 6800)

GeForce 20

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

Dual-slot

Length

247 mm 9.7 inches

267 mm 10.5 inches

Height

111 mm 4.4 inches

116 mm 4.6 inches

Outputs

2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1

1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Other

Launch Price

239 USD

699 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

GeForce 10

Successor

Southern Islands

GeForce 30

View Radeon HD 6870 Details View GeForce RTX 2080 Details