ATI Radeon HD 2900 XT vs AMD Radeon RX Vega 56
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 8GB VRAM Radeon RX Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX Vega 56 's Advantages
Released 10 years and 3 months late
Boost Clock1471MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (409.6GB/s vs 106.0GB/s)
3264 additional rendering cores
Lower TDP (210W vs 215W)
Score
Benchmark
FP32 (float)
Radeon HD 2900 XT
0.476 TFLOPS
Radeon RX Vega 56
+2114%
10.54 TFLOPS
Graphics Card
May 2007
Release Date
Aug 2017
Radeon R600
Generation
Vega
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1156 MHz
-
Boost Clock
1471 MHz
828 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
8GB
GDDR3
Memory Type
HBM2
512bit
Memory Bus
2048bit
106.0GB/s
Bandwidth
409.6GB/s
Render Config
4
Compute Units
56
-
-
-
320
Shading Units
3584
16
TMUs
224
16
ROPs
64
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
11.89 GPixel/s
Pixel Rate
94.14 GPixel/s
11.89 GTexel/s
Texture Rate
329.5 GTexel/s
-
FP16 (half)
21.09 TFLOPS
475.5 GFLOPS
FP32 (float)
10.54 TFLOPS
-
FP64 (double)
659.0 GFLOPS
Board Design
215W
TDP
210W
550 W
Suggested PSU
550 W
2x DVI
1x S-Video
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
R600
GPU Name
Vega 10
R600 XT
(215RGMDKA13FG)
GPU Variant
Vega 10 XL
(215-0894216)
TeraScale
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
80 nm
Process Size
14 nm
0.72 billion
Transistors
12.5 billion
420 mm²
Die Size
495 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (12_1)
3.3 (full)
4.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
4.0
Shader Model
6.4
