Home GPU Comparison NVIDIA GeForce GTX 780 Rev. 2 vs AMD Radeon R9 255 OEM

NVIDIA GeForce GTX 780 Rev. 2 vs AMD Radeon R9 255 OEM

NVIDIA GeForce GTX 780 Rev. 2
VS
AMD Radeon R9 255 OEM
NVIDIA GeForce GTX 780 Rev. 2
AMD Radeon R9 255 OEM
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.4GB/s vs 73.60GB/s)
1792 additional rendering cores
AMD Radeon R9 255 OEM 's Advantages
Boost Clock has increased by 3% (930MHz vs 902MHz)
Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Rev. 2 +336%
4.156 TFLOPS
Radeon R9 255 OEM
0.952 TFLOPS
GeForce GTX 780 Rev. 2
VS
Radeon R9 255 OEM

Graphics Card

Sep 2013
Release Date
Dec 2013
GeForce 700
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

863 MHz
Base Clock
900 MHz
902 MHz
Boost Clock
930 MHz
1502 MHz
Memory Clock
1150 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
288.4GB/s
Bandwidth
73.60GB/s

Render Config

-
Compute Units
8
-
-
-
2304
Shading Units
512
192
TMUs
32
48
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

43.30 GPixel/s
Pixel Rate
14.88 GPixel/s
173.2 GTexel/s
Texture Rate
29.76 GTexel/s
-
-
-
4.156 TFLOPS
FP32 (float)
952.3 GFLOPS
173.2 GFLOPS
FP64 (double)
59.52 GFLOPS

Board Design

250W
TDP
65W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

GK110B
GPU Name
Cape Verde
GK110-300-B1
GPU Variant
Cape Verde PRX
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
1.5 billion
561 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
5.1

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