GeForce GTX 770 vs Radeon R9 390 X2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 770 's Advantages
Boost Clock1085MHz
Lower TDP (230W vs 580W)
Radeon R9 390 X2 's Advantages
Released 2 years and 4 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 224.4GB/s)
1024 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 770
3333
Radeon R9 390 X2
+53%
5120
Graphics Card
May 2013
Release Date
Sep 2015
GeForce 700
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1046 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1753 MHz
Memory Clock
1350 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
224.4GB/s
Bandwidth
345.6GB/s
Render Config
-
Compute Units
40
1536
Shading Units
2560
128
TMUs
160
32
ROPs
64
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
34.72 GPixel/s
Pixel Rate
64.00 GPixel/s
138.9 GTexel/s
Texture Rate
160.0 GTexel/s
3.333 TFLOPS
FP32 (float)
5.120 TFLOPS
138.9 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
230W
TDP
580W
550 W
Suggested PSU
950 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
4x 8-pin
Graphics Processor
GK104
GPU Name
Grenada
GK104-425-A2
GPU Variant
Grenada PRO
(215-0880030)
Kepler
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
6.2 billion
294 mm²
Die Size
438 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3