Home GPU Comparison AMD Radeon R9 280X vs NVIDIA GeForce GTX 770

AMD Radeon R9 280X vs NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 2GB VRAM GeForce GTX 770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 224.4GB/s)
512 additional rendering cores
NVIDIA GeForce GTX 770 's Advantages
Boost Clock has increased by 8% (1085MHz vs 1000MHz)
Lower TDP (230W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 280X +22%
4.096 TFLOPS
GeForce GTX 770
3.333 TFLOPS
3DMark Time Spy
Radeon R9 280X +9%
2348
GeForce GTX 770
2153

Graphics Card

Oct 2013
Release Date
May 2013
Volcanic Islands
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

850 MHz
Base Clock
1046 MHz
1000 MHz
Boost Clock
1085 MHz
1500 MHz
Memory Clock
1753 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
224.4GB/s

Render Config

32
Compute Units
-
-
-
-
2048
Shading Units
1536
128
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
34.72 GPixel/s
128.0 GTexel/s
Texture Rate
138.9 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
3.333 TFLOPS
1024 GFLOPS
FP64 (double)
138.9 GFLOPS

Board Design

250W
TDP
230W
600 W
Suggested PSU
550 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
1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti
GPU Name
GK104
Tahiti XTL (215-0821065)
GPU Variant
GK104-425-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
3.54 billion
352 mm²
Die Size
294 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1
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