AMD Radeon RX 7700 XT vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Mar 2011
Generation
Navi III
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1435 MHz
—
Boost Clock
2544 MHz
—
Memory Clock
2250 MHz
1250 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
160.0GB/s
Render Config
Compute Units
54
24
Shading Units
3456
1536
TMUs
216
96
ROPs
96
32
RT Cores
54
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
48 MB
—
Theoretical Performance
Pixel Rate
244.2 GPixel/s
26.56 GPixel/s
Texture Rate
549.5 GTexel/s
79.68 GTexel/s
FP16 (half)
70.34 TFLOPS
—
FP32 (float)
35.17 TFLOPS
2.550 TFLOPS
FP64 (double)
1099.0 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Navi 32
Antilles
GPU Variant
Navi 32 XL(215-180000076)
Antilles XT(215-0807027)
Architecture
RDNA 3.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
28.1 billion
2.64 billion
Die Size
346 mm²
389 mm²
Board Design
TDP
245W
375W
Suggested PSU
550 W
750 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x DVI4x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.2
1.2
Vulkan
1.3
N/A
Shader Model
6.8
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.