GeForce GTX 970 vs Radeon HD 7770 GHz Edition
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 970 Advantages
Released 2 years and 7 months late
Boost Clock1178MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 72.00GB/s)
1024 additional rendering cores
Radeon HD 7770 GHz Edition Advantages
Lower TDP (80W vs 148W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+206%
3920
Radeon HD 7770 GHz Edition
1280
Graphics Card
Sep 2014
Release Date
Feb 2012
GeForce 900
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1753 MHz
Memory Clock
1125 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
224.4GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
1664
Shading Units
640
104
TMUs
40
56
ROPs
16
48 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
65.97 GPixel/s
Pixel Rate
16.00 GPixel/s
122.5 GTexel/s
Texture Rate
40.00 GTexel/s
3.920 TFLOPS
FP32 (float)
1280 GFLOPS
122.5 GFLOPS
FP64 (double)
80.00 GFLOPS
Board Design
148W
TDP
80W
300 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GM204
GPU Name
Cape Verde
GM204-200-A1
GPU Variant
Cape Verde XT
Maxwell 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
1.5 billion
398 mm²
Die Size
123 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
5.2
CUDA
-
6.4
Shader Model
5.1