AMD Radeon HD 6990M vs AMD Radeon RX 7700 XT
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Aug 2023
Generation
Vancouver
Navi III
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
900 MHz
2250 MHz
Base Clock
-
1435 MHz
Boost Clock
-
2544 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
115.2GB/s
432.0GB/s
Render Config
Compute Units
14
54
Shading Units
1120
3456
TMUs
56
216
ROPs
32
96
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
54
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
22.88 GPixel/s
244.2 GPixel/s
Texture Rate
40.04 GTexel/s
549.5 GTexel/s
FP32 (float)
1.602 TFLOPS
35.17 TFLOPS
FP16 (half)
-
70.34 TFLOPS
FP64 (double)
-
1099.0 GFLOPS
Graphics Processor
GPU Name
Blackcomb
Navi 32
GPU Variant
Blackcomb XTX(216-0811030)
Navi 32 XL(215-180000076)
Architecture
TeraScale 2
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
28.1 billion
Die Size
212 mm²
346 mm²
Board Design
TDP
100W
245W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.3
Shader Model
5.0
6.8