NVIDIA GeForce GTX 970 vs AMD Radeon R9 270X
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 970 's Advantages
Released 11 months late
Boost Clock has increased by 12% (1178MHz vs 1050MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 179.2GB/s)
384 additional rendering cores
Lower TDP (148W vs 180W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+45%
3.92 TFLOPS
Radeon R9 270X
2.688 TFLOPS
3DMark Time Spy
GeForce GTX 970
+106%
3646
Radeon R9 270X
1769
Graphics Card
Sep 2014
Release Date
Oct 2013
GeForce 900
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1050 MHz
Base Clock
1000 MHz
1178 MHz
Boost Clock
1050 MHz
1753 MHz
Memory Clock
1400 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.4GB/s
Bandwidth
179.2GB/s
Render Config
-
Compute Units
20
-
-
-
1664
Shading Units
1280
104
TMUs
80
56
ROPs
32
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
65.97 GPixel/s
Pixel Rate
33.60 GPixel/s
122.5 GTexel/s
Texture Rate
84.00 GTexel/s
-
-
-
3.920 TFLOPS
FP32 (float)
2.688 TFLOPS
122.5 GFLOPS
FP64 (double)
168.0 GFLOPS
Board Design
148W
TDP
180W
300 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GM204
GPU Name
Curacao
GM204-200-A1
GPU Variant
Curacao XT
(215-0848004)
Maxwell 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
2.8 billion
398 mm²
Die Size
212 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
