Home GPU Comparison AMD Radeon HD 6870 vs NVIDIA GeForce GTX 980 Ti

AMD Radeon HD 6870 vs NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 6GB VRAM GeForce GTX 980 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages
Lower TDP (151W vs 250W)
NVIDIA GeForce GTX 980 Ti 's Advantages
Released 4 years and 8 months late
Boost Clock1076MHz
More VRAM (6GB vs 1GB)
Larger VRAM bandwidth (336.6GB/s vs 134.4GB/s)
1696 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6870
2.016 TFLOPS
GeForce GTX 980 Ti +200%
6.06 TFLOPS
VS

Graphics Card

Oct 2010
Release Date
Jun 2015
Northern Islands
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1000 MHz
-
Boost Clock
1076 MHz
1050 MHz
Memory Clock
1753 MHz

Memory

1024MB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
134.4GB/s
Bandwidth
336.6GB/s

Render Config

-
SM Count
-
14
Compute Units
-
1120
Shading Units
2816
56
TMUs
176
32
ROPs
96
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
48 KB (per SMM)
512 KB
L2 Cache
3 MB

Theoretical Performance

28.80 GPixel/s
Pixel Rate
103.3 GPixel/s
50.40 GTexel/s
Texture Rate
189.4 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
6.060 TFLOPS
-
FP64 (double)
189.4 GFLOPS

Graphics Processor

Barts
GPU Name
GM200
Barts XT (215-0798000)
GPU Variant
GM200-310-A1
TeraScale 2
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
8 billion
255 mm²
Die Size
601 mm²

Board Design

151W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Features

11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.2
5.0
Shader Model
6.4

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