AMD Instinct MI300A vs AMD Radeon PRO W7700 Comparison

The Verdict

The AMD Instinct MI300A and AMD Radeon PRO W7700 serve fundamentally different purposes. The MI300A is a compute-focused accelerator with no display outputs, no graphics API support, and a 750 W power envelope. The Radeon PRO W7700 is a workstation graphics card with four DisplayPort 2.1 outputs, full DirectX 12 Ultimate support, and a 190 W power draw.

The data shows the MI300A targets large-scale compute workloads, while the W7700 targets professional visualization and rendering tasks. The MI300A holds 153,000 million transistors on a 1017 mm² die, compared to the W7700's 28,100 million transistors on a 346 mm² die. The MI300A delivers 61.29 TFLOPS FP32 performance versus 31.95 TFLOPS for the W7700. However, the W7700 has actual benchmark scores in the database (108,245 in Geekbench OpenCL, 129,706 in Geekbench Vulkan), while the MI300A has no recorded benchmark results. The W7700 sits at the 95th percentile among all GPUs, while the MI300A sits at the 50th percentile.

The verdict from recorded data: the W7700 is the only one with measurable graphics performance, and its nearest rivals include the NVIDIA GB10 (1.3% ahead), NVIDIA RTX 4000 SFF Ada Generation (1.6% ahead), NVIDIA Tesla V100 SXM2 16 GB (4% ahead), and NVIDIA RTX A5500 Mobile (4.4% ahead). The MI300A cannot be assessed for graphics workloads because it has no display outputs and no DirectX, OpenGL, or Vulkan support. For compute-heavy tasks, the MI300A's massive memory capacity (128 GB HBM3) and bandwidth (5.32 TB/s) clearly differentiate it from the W7700's 16 GB GDDR6 configuration.

Architecture Differences

The MI300A uses the CDNA 3.0 architecture on the Aqua Vanjaram chip, while the W7700 uses the RDNA 3.0 architecture on the Navi 32 chip. Both are manufactured on a 5 nm process at TSMC. The MI300A has a transistor density of 150.4 million per mm², while the W7700 has 81.2 million per mm².

The MI300A features 14,592 shading units, 912 texture mapping units, and zero ROPs. Its pixel rate is recorded as 0 MPixel/s, and its texture rate is 1,915.2 GTexel/s. The W7700 has 3,072 shading units, 192 TMUs, 96 ROPs, and 48 ray tracing cores. Its pixel rate is 249.6 GPixel/s, and its texture rate is 499.2 GTexel/s. The MI300A has no ray tracing cores listed in the database.

Memory architecture differs substantially. The MI300A uses 128 GB of HBM3 with an 8192-bit bus and 5.32 TB/s bandwidth, operating at 1300 MHz (5.2 Gbps effective). The W7700 uses 16 GB of GDDR6 with a 256-bit bus and 576.0 GB/s bandwidth, operating at 2250 MHz (18 Gbps effective). The MI300A's memory bandwidth is roughly nine times higher than the W7700's.

The MI300A has no power connectors and uses an OAM Module slot width, with a suggested PSU of 1150 W. The W7700 is a dual-slot card with a single 8-pin power connector, a suggested PSU of 450 W, and dimensions of 241 mm length and 111 mm height. The MI300A has no display outputs; the W7700 has four DisplayPort 2.1 outputs.

API support differs completely. The MI300A lists N/A for DirectX, OpenGL, and Vulkan. The W7700 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI300A uses PCIe 5.0 x16, while the W7700 uses PCIe 4.0 x16.

FAQ

Q: Which card has higher FP32 compute performance?

A: The MI300A delivers 61.29 TFLOPS FP32, while the W7700 delivers 31.95 TFLOPS FP32. The MI300A is roughly 92% higher in raw FP32 throughput.

Q: Does the MI300A support graphics rendering?

A: No. The MI300A has no display outputs and lists N/A for DirectX, OpenGL, and Vulkan support. Its pixel rate is recorded as 0 MPixel/s.

Q: What is the memory capacity difference?

A: The MI300A has 128 GB of HBM3 memory, while the W7700 has 16 GB of GDDR6 memory. The MI300A's bus width is 8192 bits versus 256 bits for the W7700.

Q: How does the W7700 compare to its nearest rivals?

A: The W7700's average benchmark score is 118,976. The NVIDIA GB10 scores 117,393 (1.3% behind), the NVIDIA RTX 4000 SFF Ada Generation scores 117,088 (1.6% behind), the NVIDIA Tesla V100 SXM2 16 GB scores 114,395 (4% behind), and the NVIDIA RTX A5500 Mobile scores 113,944 (4.4% behind).

Q: What is the power consumption difference?

A: The MI300A has a TDP of 750 W with a suggested PSU of 1150 W. The W7700 has a TDP of 190 W with a suggested PSU of 450 W.

Q: Which card has ray tracing support?

A: The W7700 includes 48 ray tracing cores. The MI300A lists no ray tracing cores in the database.

Specification Differences

The two cards differ across nearly every recorded specification. The MI300A uses the CDNA 3.0 architecture with the Aqua Vanjaram chip; the W7700 uses RDNA 3.0 with the Navi 32 chip. The MI300A has 153,000 million transistors versus 28,100 million for the W7700. Die size is 1017 mm² versus 346 mm². Transistor density is 150.4M per mm² versus 81.2M per mm².

Clock speeds differ: the MI300A runs at 1000 MHz base and 2100 MHz boost, while the W7700 runs at 1900 MHz base and 2600 MHz boost. Memory clocks are 1300 MHz (5.2 Gbps effective) for the MI300A versus 2250 MHz (18 Gbps effective) for the W7700.

Memory configuration: 128 GB HBM3 with 8192-bit bus and 5.32 TB/s bandwidth versus 16 GB GDDR6 with 256-bit bus and 576.0 GB/s bandwidth. Shading units: 14,592 versus 3,072. TMUs: 912 versus 192. ROPs: 0 versus 96. The W7700 has 48 ray tracing cores; the MI300A has none listed.

Pixel rate: 0 MPixel/s versus 249.6 GPixel/s. Texture rate: 1,915.2 GTexel/s versus 499.2 GTexel/s. FP32: 61.29 TFLOPS versus 31.95 TFLOPS. The W7700 also lists FP16 at 63.90 TFLOPS (2:1); the MI300A lists no FP16 figure.

TDP: 750 W versus 190 W. Slot width: OAM Module versus dual-slot. Power connectors: none versus 1x 8-pin. Suggested PSU: 1150 W versus 450 W. Bus interface: PCIe 5.0 x16 versus PCIe 4.0 x16. Display outputs: none versus 4x DisplayPort 2.1.

API support: N/A for all three APIs on the MI300A; DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 on the W7700. The W7700 has dimensions of 241 mm length and 111 mm height; the MI300A has no recorded dimensions. Release dates differ: the MI300A released on 2023-12-05, while the W7700 released on 2023-11-12. The W7700 has a launch MSRP of 999 USD.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between the MI300A and the W7700. The MI300A has no recorded benchmark scores at all, with an average benchmark score of 0 and a percentile rank of 50 among all GPUs. The W7700 has two recorded benchmark scores: 108,245 in Geekbench OpenCL and 129,706 in Geekbench Vulkan, giving an average benchmark score of 118,976 and a percentile rank of 95.

Without direct comparisons, the nearest rival data for the W7700 provides context. The W7700's average score of 118,976 places it slightly behind the NVIDIA GB10, which scores 117,393 with a delta of 1.3%. The NVIDIA RTX 4000 SFF Ada Generation trails by 1.6% with a score of 117,088. The NVIDIA Tesla V100 SXM2 16 GB is 4% behind at 114,395, and the NVIDIA RTX A5500 Mobile is 4.4% behind at 113,944.

The specification differences provide the only basis for comparison. The MI300A's FP32 throughput of 61.29 TFLOPS is 1.92 times the W7700's 31.95 TFLOPS. The MI300A's texture rate of 1,915.2 GTexel/s is 3.84 times the W7700's 499.2 GTexel/s. The MI300A's memory bandwidth of 5.32 TB/s is 9.24 times the W7700's 576.0 GB/s. These gaps reflect the MI300A's compute-oriented design versus the W7700's graphics-oriented design.

The W7700 counters with a boost clock of 2600 MHz versus 2100 MHz for the MI300A, and a base clock of 1900 MHz versus 1000 MHz. The W7700 also has 96 ROPs where the MI300A has zero, and 48 ray tracing cores where the MI300A has none. The W7700's pixel rate of 249.6 GPixel/s is meaningful for rasterization; the MI300A's 0 MPixel/s confirms it cannot perform pixel output.

Where Each One Wins

The MI300A wins in raw compute throughput based on specifications. Its FP32 performance of 61.29 TFLOPS exceeds the W7700's 31.95 TFLOPS. Its memory subsystem, with 128 GB capacity and 5.32 TB/s bandwidth, dwarfs the W7700's 16 GB and 576.0 GB/s. The MI300A's transistor count of 153,000 million and die size of 1017 mm² indicate a design optimized for massive parallel workloads. Its PCIe 5.0 x16 interface provides double the bandwidth of the W7700's PCIe 4.0 x16.

The W7700 wins in every graphics-related category. It has four DisplayPort 2.1 outputs, while the MI300A has none. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the MI300A supports none of these. The W7700 delivers 249.6 GPixel/s pixel rate, 499.2 GTexel/s texture rate, and includes 48 ray tracing cores. Its 96 ROPs enable rasterization output that the MI300A cannot produce.

The W7700 also wins on efficiency in the recorded data. Its TDP of 190 W is less than one-third of the MI300A's 750 W. The suggested PSU of 450 W versus 1150 W reflects this difference. The W7700's 28,100 million transistors on a 346 mm² die produce 31.95 TFLOPS, while the MI300A's 153,000 million transistors on a 1017 mm² die produce 61.29 TFLOPS. The W7700's transistor density of 81.2M per mm² is lower than the MI300A's 150.4M per mm², but the W7700 achieves its performance at a fraction of the power draw.

Benchmark data only exists for the W7700. Its Geekbench OpenCL score of 108,245 and Vulkan score of 129,706 place it at the 95th percentile among all GPUs. The MI300A has no recorded benchmarks and sits at the 50th percentile. For workloads that involve graphics rendering, video output, or API-based compute, the W7700 is the only viable option between the two.

For compute workloads that do not require graphics output, the MI300A's specifications indicate superior capacity. Its 128 GB of HBM3 memory could hold datasets that would not fit in the W7700's 16 GB. Its 8192-bit memory bus and 5.32 TB/s bandwidth suggest it can feed compute units at a much higher rate. The MI300A's 14,592 shading units and 912 TMUs provide substantially more parallel execution resources than the W7700's 3,072 shading units and 192 TMUs.

The release dates are close: the W7700 on 2023-11-12 and the MI300A on 2023-12-05. The W7700 lists a predecessor of Radeon Pro Vega, while the MI300A lists Radeon Instinct. The W7700's launch MSRP is 999 USD. The MI300A has no launch MSRP recorded.

The data confirms a clear division: the MI300A is a compute accelerator for large-scale data processing, while the W7700 is a professional graphics card for visualization, rendering, and API-accessible compute. Neither card can substitute for the other in their respective domains.