NVIDIA GeForce GTX 970 vs AMD Radeon HD 6850 1440SP Edition
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 970 's Advantages
Released 2 years and 1 months late
Boost Clock1178MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 128.0GB/s)
224 additional rendering cores
Lower TDP (148W vs 151W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+87%
3.92 TFLOPS
Radeon HD 6850 1440SP Edition
2.088 TFLOPS
Graphics Card
Sep 2014
Release Date
Aug 2012
GeForce 900
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1753 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.4GB/s
Bandwidth
128.0GB/s
Render Config
-
Compute Units
18
-
-
-
1664
Shading Units
1440
104
TMUs
72
56
ROPs
32
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
65.97 GPixel/s
Pixel Rate
23.20 GPixel/s
122.5 GTexel/s
Texture Rate
52.20 GTexel/s
-
-
-
3.920 TFLOPS
FP32 (float)
2.088 TFLOPS
122.5 GFLOPS
FP64 (double)
417.6 GFLOPS
Board Design
148W
TDP
151W
300 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GM204
GPU Name
Cypress
GM204-200-A1
GPU Variant
Cypress PRO
(215-0735043)
Maxwell 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5.2 billion
Transistors
2.154 billion
398 mm²
Die Size
334 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
5.0
