Radeon R9 295X2 vs GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 295X2 's Advantages
More VRAM (4GB vs 3GB)
GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
Larger VRAM bandwidth (336.6GB/s vs 320.0GB/s)
64 additional rendering cores
Lower TDP (250W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
+7%
5733
GeForce GTX 780 Ti Engineering Sample
5345
Graphics Card
Apr 2014
Release Date
Unknown
Volcanic Islands
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
875 MHz
-
Boost Clock
928 MHz
1250 MHz
Memory Clock
1753 MHz
Memory
4GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
384bit
320.0GB/s
Bandwidth
336.6GB/s
Render Config
44
Compute Units
-
2816
Shading Units
2880
176
TMUs
240
64
ROPs
48
16 KB (per CU)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
1536 KB
Theoretical Performance
65.15 GPixel/s
Pixel Rate
55.68 GPixel/s
179.2 GTexel/s
Texture Rate
222.7 GTexel/s
5.733 TFLOPS
FP32 (float)
5.345 TFLOPS
716.7 GFLOPS
FP64 (double)
222.7 GFLOPS
Board Design
500W
TDP
250W
900 W
Suggested PSU
600 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Vesuvius
GPU Name
GK180
Vesuvius XT
(215-0852022)
GPU Variant
GK180-425-A1
GCN 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
7.08 billion
438 mm²
Die Size
561 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.2.175
-
CUDA
3.5
6.3
Shader Model
5.1