Radeon R9 295X2 vs GeForce 6800
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 256MB VRAM GeForce 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 295X2 's Advantages
Released 9 years and 5 months late
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (320.0GB/s vs 19.20GB/s)
2816 additional rendering cores
Score
Graphics Card
Apr 2014
Release Date
Nov 2004
Volcanic Islands
Generation
GeForce 6 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1250 MHz
Memory Clock
300 MHz
Memory
4GB
Memory Size
256MB
GDDR5
Memory Type
DDR
512bit
Memory Bus
256bit
320.0GB/s
Bandwidth
19.20GB/s
Render Config
44
Compute Units
-
2816
Shading Units
-
176
TMUs
12
64
ROPs
8
16 KB (per CU)
L1 Cache
-
1024 KB
L2 Cache
-
Theoretical Performance
65.15 GPixel/s
Pixel Rate
2.600 GPixel/s
179.2 GTexel/s
Texture Rate
3.900 GTexel/s
5.733 TFLOPS
FP32 (float)
-
716.7 GFLOPS
FP64 (double)
-
Board Design
500W
TDP
Unknown
900 W
Suggested PSU
200 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 8-pin
Power Connectors
None
Graphics Processor
Vesuvius
GPU Name
NV41
Vesuvius XT
(215-0852022)
GPU Variant
-
GCN 2.0
Architecture
Curie
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
6.2 billion
Transistors
0.19 billion
438 mm²
Die Size
225 mm²
Graphics Features
12 (12_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.0 (full)
2.1 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
6.3
Shader Model
3.0