GeForce GTX 1080 vs Radeon HD 2900 XT
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1080 's Advantages
Released 9 years late
Boost Clock1733MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (320.3GB/s vs 106.0GB/s)
2240 additional rendering cores
Lower TDP (180W vs 215W)
Score
Benchmark
FP32 (float)
GeForce GTX 1080
+1764%
8873
Radeon HD 2900 XT
476
Graphics Card
May 2016
Release Date
May 2007
GeForce 10
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1607 MHz
Base Clock
-
1733 MHz
Boost Clock
-
1251 MHz
Memory Clock
828 MHz
Memory
8GB
Memory Size
512MB
GDDR5X
Memory Type
GDDR3
256bit
Memory Bus
512bit
320.3GB/s
Bandwidth
106.0GB/s
Render Config
-
Compute Units
4
20
SM Count
-
2560
Shading Units
320
160
TMUs
16
64
ROPs
16
48 KB (per SM)
L1 Cache
-
2 MB
L2 Cache
256 KB
Theoretical Performance
110.9 GPixel/s
Pixel Rate
11.89 GPixel/s
277.3 GTexel/s
Texture Rate
11.89 GTexel/s
138.6 GFLOPS
FP16 (half)
-
8.873 TFLOPS
FP32 (float)
475.5 GFLOPS
277.3 GFLOPS
FP64 (double)
-
Board Design
180W
TDP
215W
450 W
Suggested PSU
550 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GP104
GPU Name
R600
GP104-400-A1
GPU Variant
R600 XT
(215RGMDKA13FG)
Pascal
Architecture
TeraScale
TSMC
Foundry
TSMC
16 nm
Process Size
80 nm
7.2 billion
Transistors
0.72 billion
314 mm²
Die Size
420 mm²
Graphics Features
12 (12_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full)
4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
6.1
CUDA
-
6.4
Shader Model
4.0