Radeon HD 6990 vs Radeon AI PRO R9700
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 32GB VRAM Radeon AI PRO R9700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon AI PRO R9700 's Advantages
Released 14 years and 4 months late
Boost Clock2920MHz
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (644.6GB/s vs 160.0GB/s)
2560 additional rendering cores
Lower TDP (300W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2550
Radeon AI PRO R9700
+1776%
47840
Graphics Card
Mar 2011
Release Date
Jul 2025
Northern Islands
Generation
Radeon Pro Navi
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
-
Base Clock
1660 MHz
-
Boost Clock
2920 MHz
1250 MHz
Memory Clock
2518 MHz
Memory
2GB
Memory Size
32GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
644.6GB/s
Render Config
24
Compute Units
64
1536
Shading Units
4096
96
TMUs
256
32
ROPs
128
-
Tensor Cores
128
-
RT Cores
64
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
8 MB
-
L3 Cache
64 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
373.8 GPixel/s
79.68 GTexel/s
Texture Rate
747.5 GTexel/s
-
FP16 (half)
95.68 TFLOPS
2.550 TFLOPS
FP32 (float)
47.84 TFLOPS
637.4 GFLOPS
FP64 (double)
1495 GFLOPS
Board Design
375W
TDP
300W
750 W
Suggested PSU
700 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
4x DisplayPort 2.1a
2x 8-pin
Power Connectors
1x 16-pin
Graphics Processor
Antilles
GPU Name
Navi 48
Antilles XT
(215-0807027)
GPU Variant
Navi 48 XTW
TeraScale 3
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
40 nm
Process Size
4 nm
2.64 billion
Transistors
53.9 billion
389 mm²
Die Size
357 mm²
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.2
N/A
Vulkan
1.3
5.0
Shader Model
6.8
